#1
Which type of bone is typically found in the appendicular skeleton?
Long bone
ExplanationLong bones provide support and movement in the appendicular skeleton.
#2
What is the primary function of the skeletal system?
Support and movement
ExplanationThe skeletal system primarily supports the body and facilitates movement.
#3
Which bone is commonly known as the collarbone?
Clavicle
ExplanationThe clavicle is commonly known as the collarbone due to its location.
#4
What is the name of the tough, fibrous membrane covering bones except at the joint surfaces?
Periosteum
ExplanationPeriosteum is the tough membrane covering bones, excluding joint surfaces.
#5
Which type of joint allows the widest range of motion?
Ball-and-socket joint
ExplanationBall-and-socket joints provide the widest range of motion due to their structure.
#6
What is the name of the process where bone tissue is broken down by cells called osteoclasts?
Resorption
ExplanationResorption is the process where bone tissue is broken down by osteoclasts.
#7
Which bone is not part of the axial skeleton?
Scapula
ExplanationThe scapula is not part of the axial skeleton; it belongs to the appendicular skeleton.
#8
What is the name of the process where bone is formed during embryonic development?
Ossification
ExplanationOssification is the process of bone formation during embryonic development.
#9
Which of the following bones is part of the cranium?
Temporal bone
ExplanationThe temporal bone is a component of the cranium, housing the temporal lobe of the brain.
#10
What is the name of the condition characterized by a decrease in bone density, making bones more fragile and susceptible to fractures?
Osteoporosis
ExplanationOsteoporosis is marked by reduced bone density, increasing fracture risk.
#11
Which bone forms the lower jaw in humans?
Mandible
ExplanationThe mandible forms the lower jawbone in humans.
#12
What type of joint connects the ribs to the sternum?
Cartilaginous joint
ExplanationThe ribs are connected to the sternum via cartilaginous joints, allowing flexibility.
#13
Which of the following is NOT a type of bone cell?
Osteotome
ExplanationOsteotome is not a bone cell type; it's a surgical instrument used to cut bone.
#14
Which of the following is NOT a function of the skeletal system?
Synthesis of digestive enzymes
ExplanationThe skeletal system does not synthesize digestive enzymes; that's a function of the digestive system.
#15
Which hormone plays a crucial role in regulating calcium levels in the blood and bone metabolism?
Parathyroid hormone (PTH)
ExplanationParathyroid hormone (PTH) regulates calcium levels in the blood and bone metabolism.
#16
Which of the following bones is NOT part of the hand?
Tarsal
ExplanationThe tarsal bone is not part of the hand; it's located in the foot.
#17
Which of the following bones is NOT part of the axial skeleton?
Scapula
ExplanationThe scapula is not part of the axial skeleton; it belongs to the appendicular skeleton.